These entries are queried from radb.net using whois, you can try my project getting these.
:AS48746 route: 91.212.37.0/24 descr: ATSA-BG origin: AS48746 mnt-lower: BT95-ADM mnt-routes: BT95-ADM mnt-by: BT95-ADM created: 2009-07-17T10:59:43Z last-modified: 2009-07-17T10:59:43Z source: RIPE remarks: **************************** remarks: * THIS OBJECT IS MODIFIED remarks: * Please note that all data that is generally regarded as personal remarks: * data has been removed from this object. remarks: * To view the original object, please query the RIPE Database at: remarks: * http://www.ripe.net/whois remarks: **************************** rpki-ov-state: valid